emotional disturbance

a fear-, anxiety-, or other emotionally based condition that results in maladaptive behavior—ranging from withdrawal and isolation to acting out and aggression—and adversely affects an individual’s academic and social functioning. Children with a longstanding condition that meets specified criteria, such as the inability to form satisfactory relationships with peers and teachers, are considered to have a serious emotional disturbance (SED) that constitutes a disability under the Individuals With Disabilities Education Act.

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Psychology term of the day

May 9th 2024

node of Ranvier

any of successive regularly spaced gaps in the myelin sheath surrounding an axon. The gaps permit the exchange of ions across the plasma membrane at those points, allowing the nerve impulse to leap from one node to the next in so-called saltatory conduction along the axon. [Louis A. Ranvier (1835–1922), French pathologist]